Most Christian arguments about politics are arguments about form. Democracy or monarchy, capitalism or socialism, how much state and how little. C.S. Lewis doubted, late in his life, that democracy was the final word on government, and he was right to doubt it, because the question of form sits downstream of a prior question we rarely ask: what is a government for?
The architect’s maxim is that form follows function. A chair can be built a hundred ways — for a table, a porch, a study — but it stops being a chair the moment no one can sit on it. Function comes first; form is the shape function takes under particular conditions. Ask what a government is for, and the form conversation sorts itself out. Skip the question, and you end up defending a form as though the shape were the point.
Scripture states the function plainly. Romans 13 and 1 Peter 2 say the same thing: government exists to punish evil and to commend those who do good. That is the floor. But there is an older and deeper statement of function, and it runs back to Genesis 12. God tells Abraham, “I will bless those who bless you, and him who dishonors you I will curse.” The descendants of Abraham, the New Testament insists, are not a bloodline but those who share Abraham’s faith — those in Christ. So the deepest measure of any government is not its constitution but its conduct toward the people of God. A regime prospers under God’s favor by being good to God’s people, and it need not be a Christian regime to do it.
The theologian Peter Leithart draws three kinds of nation out of Scripture, sorted by that single question: how does this regime treat the people of God? The first is the guardian — a government, Christian or not, that protects and deals kindly with God’s people. Egypt under Joseph was a guardian. The second is the Babel — an empire that is a religious project in its own right, that does not want to serve God but to be God. A Babel is genuinely evil, but its evil is generic; it is not hunting the people of God in particular. The third is the beast. A Babel becomes a beast when it turns and singles out God’s people for destruction, or when its evil grows so total that it closes in on them anyway.
Egypt runs the whole sequence. A guardian under Joseph, it reverts to Babel after he dies, and then, when Israel grows numerous and Pharaoh moves to consume them — enslavement, then the killing of the Hebrew boys — it crosses into beast. That crossing is what triggers the Exodus. God had tolerated a generically wicked Egypt for generations. The moment Egypt began to feed on the blood of his children, the cup of his wrath filled fast. Joe Rigney puts it that nothing fills that cup more quickly than the blood of the saints. The pattern repeats: the Herods, each dying badly after his turn toward the beast; Jerusalem in AD 70, after it had consumed Christ and then Stephen; Babylon, raised up to discipline Israel and then judged into extinction for going too far.
This grid does real work, because it lets you read your moment. The American story, on this reading, is not finally a story about democracy. There were democracies before, and democracy has underwritten its own atrocities. America was blessed because it was founded, in function, to be a sanctuary for God’s people — and God keeps the word he gave Abraham. That blessing is conditional and reversible, which is the sobering half of the doctrine. A guardian can decline into a Babel, and a Babel can turn beast. The question to ask of any nation, your own included, is not which form it wears but which direction it is moving along that line.
Two cautions keep the grid from curdling into self-interest. The first is that Christians are notoriously unable to keep a blessing to themselves. A people commanded to love their neighbor as themselves cannot receive a blessing without turning to the unbeliever beside them and asking that he be blessed too. Favor shown to the church leaks outward by design, and the history of it is not subtle; a government good to God’s people ends up good to nearly everyone in its reach. The second caution is that this is not a freestanding political theory bolted onto the gospel but the gospel’s own shape. The God of Genesis 12 is redeemer and avenger at once, and Psalm 110 promises that every enemy becomes a footstool — some by conversion, some by judgment. Politics gets no exemption from that. It runs on the same physics as everything else God is doing.
So before asking whether a nation has the right form, ask the older question. Is it a guardian, a Babel, or a beast? Watch which way it leans. Form will follow.